2009 Audi A6 vs. 2007 Fiat Siena
To start off, 2009 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2007 Fiat Siena would be higher. At 2,966 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (229 HP @ 4000 RPM) has 161 more horse power than 2007 Fiat Siena. (68 HP @ 4600 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Fiat Siena weights approximately 160 kg more than 2009 Audi A6.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Audi A6 (450 Nm @ 1400 RPM) has 315 more torque (in Nm) than 2007 Fiat Siena. (135 Nm @ 2500 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 2009 Audi A6 has automatic transmission and 2007 Fiat Siena has manual transmission. 2007 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A6 | 2007 Fiat Siena | |
| Make | Audi | Fiat |
| Model | A6 | Siena |
| Year Released | 2009 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 1697 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 229 HP | 68 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Torque | 450 Nm | 135 Nm |
| Torque RPM | 1400 RPM | 2500 RPM |
| Engine Compression Ratio | 17.0:1 | 20.3:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 242 km/hour | 160 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 16.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 930 kg | 1090 kg |
| Vehicle Length | 4940 mm | 4140 mm |
| Vehicle Width | 1470 mm | 1640 mm |
| Vehicle Height | 1860 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2380 mm |
| Fuel Consumption Overall | 8.4 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 70 L | 47 L |
